Show empty graphs on startup

5 years ago · 183d2af094
parent ff4142da1b
commit 183d2af094
1 changed files with 9 additions and 1 deletions
--- a/daqviewer/daqviewer.py
+++ b/daqviewer/daqviewer.py
@ -126,7 +126,15 @@ def csv_to_json(contents, name):
              [Input('json-storage', 'children')])
 def read_json_data(json_data):
    if json_data is None:
-        return html.Div([])
+        elements = html.Div([
+            dcc.Graph(),
+            html.Div([
+                html.Div([dcc.Graph()], className='six columns'),
+            ]),
+            html.Div()
+        ])
+
+        return elements

    info = json.loads(json_data)['info']
    df = pd.read_json(json.loads(json_data)['timeseries'], orient='table')